A Fever in the Heartland: The Ku Klux Klan's Plot to Take Over America, and the Woman Who Stopped Them

by Timothy Egan

His barbershop quartets sang, “If you don’t like your Uncle Sammy / Then go back to your home across the sea / To the land from where you came / Whatever be its name.”

"you dont like it here then leave" still a rallying cry of hatred to this day